* {
    padding: 0;
    margin: 0;
}

.border {
    border: 1px solid red;
}

.container {
    width: 1000px;
    margin: auto;
}

.float-left {
    float: left;
}

.float-right {
    float: right;
}

.clear {
    clear: both;
}

.header {
    width: 100%;
    height: 100px;
    background-color: #07CBC9;
    position: fixed;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header img {
    width: 300px;
    height: 85px;
    padding-left: 100px;
    padding-top: 8px;
}

.header .logo {
    float: left;
}

.header .nav {
    float: right;
}

.header .nav ul {
    margin-right: 100px;
}

.header .nav ul li {
    float: left;
    list-style: none;
    width: 80px;
    height: 100px;
    line-height: 100px;
    font-size: 15px;
    font-weight: bolder;
    color: white;
}

.header .nav ul li a {
    height: 100px;
    width: 200px;
    color: white;
    text-decoration: none;
}

.header .nav ul li a:hover {
    color: #213123;
}

.banner .top {
    width: 100%;
    height: 600px;
}

.banner .top img {
    width: 100%;
    height: 600px;
}

.banner .topLayer {
    position: absolute;
    top: 100px;
    left: 0;
    background-color: #000;
    width: 100%;
    height: 600px;
    opacity: 0.5;
}

.banner .topLayer-top {
    width: 500px;
    position: absolute;
    top: 100px;
    margin-top: 100px;
    z-index: 2;
    right: 50%;
    margin-right: -250px;
    text-align: center;
}

.banner .topLayer-top div {
    width: 100%;
    text-align: center;
    position: relative;
    border: 2px solid #808080;
    padding: 7px;
    margin: 12px 0px;
}

.banner .topLayer-top .input2 {
    height: 100px;
}

.banner .topLayer-top input {
    width: 500px;
    position: absolute;
    border: 0;
    height: 18px;
    background-color: transparent;
    display: block;
    color: #fff;
    font-size: 13px;
    font-weight: bolder;
    font-family: "微软雅黑";
    outline: none;
}

.banner .topLayer-top .input:hover {
    border: 2px solid #ffffff;
}

.banner .topLayer-top .input2:hover {
    border: 2px solid #ffffff;
}

.banner .topLayer-top .send-message {
    width: 150px;
    text-align: center;
    margin-top: 36px;
    line-height: 30px;
    color: #808080;
    margin-left: 175px;
}

.footer {
    width: 100%;
    height: 100px;
    background-color: #07CBC9;
    color: #ffffff;
    text-align: center;
    line-height: 100px;
    font-family: "微软雅黑";
    font-size: 15px;
}

.description {
    color: #9D948B;
    margin: 30px auto;
    text-align: center;
}

.description h1 {
    color: black;
    margin-bottom: 12px;
}

.description p {
    line-height: 30px;
    margin: 15px 15px;
}

.content {
    position: relative;
    height: 400px;
}

.left {
    z-index: 333;
    width: 250px;
    position: absolute;
    left: 0px;
}

.left .content2 p {
    height: 70px;
    color: black;
}

.left .content2 {
    position: absolute;
    top: 70px;
    width: 250px;
    background: #222;
    height: 200px;
    border: 1px solid #222;
    opacity: 0.1;
}

.left .content1 {
    padding: 10px;
    position: absolute;
    top: 70px;
    width: 230px;
    height: 180px;
    opacity: 1;
}

.left .content1 .button {
    margin-top: 6px;
    text-align: center;
    line-height: 40px;
    width: 90px;
    color: white;
    background-color: black;
}

.middle {
    width: 500px;
    position: absolute;
    left: 200px;
}

.middle img {
    width: 500px;
}

.right {
    height: 300px;
    width: 250px;
    position: absolute;
    left: 750px;
}

.description2 {
    border: 2px solid #07CBC9;
    color: #9D948B;
    margin-bottom: 30px;
    padding-top: 30px;
    text-align: center;
}

.description2 h1 {
    color: black;
    margin-bottom: 12px;
}

.description2 p {
    line-height: 20px;
    margin: 15px 15px;
}

.table .item {
    position: relative;
    width: 25%;
    float: left;
    height: 400px;
}

.table .item .pic {
    position: absolute;
    width: 100%;
    height: 400px;
}

.table .item2 {
    position: relative;
    width: 25%;
    float: left;
    height: 400px;
    background: #07CBC9;
}

.jiao-left {
    top: 160px;
    z-index: 999;
    position: absolute;
    right: 0px;
    height: 0px;
    width: 0px;
    border-top: 20px solid transparent;
    border-right: 20px solid #07CBC9;
    border-bottom: 20px solid transparent;
}

.jiao-right {
    top: 160px;
    z-index: 999;
    position: absolute;
    left: 0px;
    height: 0px;
    width: 0px;
    border-top: 20px solid transparent;
    border-left: 20px solid #07CBC9;
    border-bottom: 20px solid transparent;
}

.pic-text {
    margin: 33px 33px;
    color: white;
}

.item2 .button {
    position: absolute;
    bottom: 50px;
    left: 50%;
    line-height: 40px;
    text-align: center;
    background: black;
    color: white;
    margin: 0 auto;
    width: 90px;
    margin-left: -45px;
}